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41859-1 — COUPLER,ROTARY,RADIO FREQUENCY

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

41859-1: COUPLER,ROTARY,RADIO FREQUENCY.

The COUPLER,ROTARY,RADIO FREQUENCY is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY, unit_type: COAXIAL LINE, mounting_method: FLANGE, overall_diameter: 0.984 INCHES NOMINAL IN, style_designator: FLAT, overall_thickness: 0.156 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 6220-01-385-9311, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
41859-1
NSN: 6220-01-385-9311
NIINs: 013859311, 013921336
FSC: 6220 — Electric Vehicular Lights and Fixtures
CAGE: 96916 — FLEET READINESS CENTER EAST DIV DEPARTMENT OF NAVY (USA)
SPECIFICATIONS
materialALUMINUM ALLOY
unit_typeCOAXIAL LINE
mounting_methodFLANGE
overall_diameter0.984 INCHES NOMINAL IN
style_designatorFLAT
overall_thickness0.156 INCHES NOMINAL IN
surface_conditionSMOOTH FACE
end_item_identificationCH-53D AND CH-53E AIRCRAFT
mounting_device_quantity1
light_transmission_designTRANSPARENT LENS
criticality_code_justificationFEAT
input_impedance_rating_in_ohms50.0
NSN6220-01-385-9311
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available COUPLER,ROTARY,RADIO FREQUENCY TITLE COMPONENT PN 41859-1 MFR COUPLER,ROTARY,RADIO F
KEY FEATURES
•
OVERALL DIAMETER: 0.984 INCHES NOMINAL IN
•
MOUNTING METHOD: FLANGE
•
OVERALL THICKNESS: 0.156 INCHES NOMINAL IN
•
STYLE DESIGNATOR: FLAT
•
SURFACE CONDITION: SMOOTH FACE
•
MOUNTING DEVICE QUANTITY: 1
•
COLOR: GREEN LENS
TECHNICAL CHARACTERISTICS
OVERALL DIAMETER0.984 INCHES NOMINAL IN
MOUNTING METHODFLANGE
OVERALL THICKNESS0.156 INCHES NOMINAL IN
STYLE DESIGNATORFLAT
SURFACE CONDITIONSMOOTH FACE
SURFACE CONDITIONSMOOTH BACK
MOUNTING DEVICE QUANTITY1
COLORGREEN LENS
LIGHT TRANSMISSION DESIGNTRANSPARENT LENS
END ITEM IDENTIFICATIONCH-53D AND CH-53E AIRCRAFT
SUBSTITUTES & CROSS-REFERENCES 1
90-0100-1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 41859-1?
41859-1 is a COUPLER,ROTARY,RADIO FREQUENCY.
What parts can replace 41859-1?
There is 1 known substitute for 41859-1: 90-0100-1. Substitute compatibility should be verified for your specific system.
What is the NSN for 41859-1?
41859-1 is cataloged in the U.S. Government catalog under NSN 6220-01-385-9311. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.